XML 64 R41.htm IDEA: XBRL DOCUMENT
v3.19.1

Summary of Significant Accounting Policies - Warranty Program (Details) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Warranty term (in years) | 1 year
Sales credit reserve term (in years) | 1 year

X
- Definition Sales Credit Reserve Period + References No definition available. + Details
Name: | sibn_SalesCreditReservePeriod
Namespace Prefix: | sibn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Standard Product Warranty Term + References No definition available. + Details
Name: | sibn_StandardProductWarrantyTerm
Namespace Prefix: | sibn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration